Principal Software Engineer

Senior C++ Engineer – Global Trading & Execution | NYC We’re looking for an exceptionally talented, hands-on C++ Engineer to join a high-performance Global Trading & Execution technology team in NYC. This is a highly technical role focused on building and optimizing statistical arbitrage and ultra-low-latency execution platforms within a sophisticated trading environment. You’ll spend roughly 80% of your time hands-on engineering , with the remaining time focused on technical leadership, mentoring, and coordinating a small team of highly skilled developers. What You’ll Do Design, develop, and optimize critical components across stat-arb, low-latency, and high-touch trading platforms Build systems designed for microsecond-level latency and high-performance execution Partner closely with business analysts and senior stakeholders on architecture, design, and implementation Serve as a technical leader and subject matter expert across the front office Provide Level 3 production support for globally distributed trading systems Mentor and guide a highly technical development team What We’re Looking For 10+ years of C++ development experience in a Linux environment Deep expertise in low-latency C++ , including cache-conscious data structures, lock-free programming, and the C++ memory model Strong systems-level performance experience with kernel bypass, CPU/core isolation, NUMA, thread/memory placement, and latency optimization Proven experience building electronic trading, market data, crossing, or execution systems Experience with exchange-native protocols, feed handlers, and co-located trading environments Strong architecture and system design capabilities Experience leading or mentoring small, highly technical engineering teams Excellent communication skills with both technical and non-technical stakeholders Familiarity with CI/CD, build automation, Agile development, and SRE methodologies The Ideal Candidate You’re someone who thrives in highly technical, fast-moving environments and enjoys solving difficult performance and systems challenges. You bring strong engineering judgment, architectural thinking, and a continuous-improvement mindset — while still being willing to stay close to the code. #J-18808-Ljbffr